Virgin PEEK plate high strength is an unfilled polyetheretherketone grade that delivers a unique combination of mechanical toughness, thermal stability, and chemical inertness. Manufactured from 100% virgin resin, this material exhibits high tensile and flexural strength, making it a preferred replacement for metals in demanding engineering applications. For projects that demand a natural PEEK sheet for semiconductor environment, the plate offers ultra-low outgassing and high purity. Its performance also aligns with the requirements of a PEEK sheet high temperature resistance profile, retaining mechanical integrity at continuous service temperatures up to 250°C. As a reputable natural PEEK sheet manufacturer, we control resin selection and production processes to ensure consistent quality, and this same reliability extends to use as a PEEK sheet for chemical equipment, where resistance to aggressive chemicals is critical.
Virgin PEEK plate combines high mechanical strength with low weight, delivering a tensile strength of 90–100 MPa and a flexural strength of 150–170 MPa. These values are achieved without fiber reinforcement, preserving isotropic properties and simplifying machining. The material also maintains excellent dimensional stability and creep resistance under continuous load at elevated temperatures.
| Property | Test Method | Unit | Value |
|---|---|---|---|
| Density | ISO 1183 / ASTM D792 | g/cm³ | 1.30 – 1.32 |
| Tensile Strength | ISO 527 / ASTM D638 | MPa | 90 – 100 |
| Tensile Modulus | ISO 527 / ASTM D638 | GPa | 3.6 – 4.1 |
| Flexural Strength | ISO 178 / ASTM D790 | MPa | 150 – 170 |
| Flexural Modulus | ISO 178 / ASTM D790 | GPa | 3.8 – 4.2 |
| Compressive Strength | ISO 604 | MPa | 118 – 140 |
| Notched Izod Impact | ISO 180 / ASTM D256 | kJ/m² | 6 – 8 |
| Rockwell Hardness | ISO 2039-2 / ASTM D785 | M scale | 100 |
| Heat Deflection Temperature (1.8 MPa) | ISO 75 / ASTM D648 | °C | 152 – 160 |
| Continuous Service Temperature | — | °C | 250 |
| Glass Transition Temperature (Tg) | DSC | °C | 143 |
| Melting Temperature | DSC | °C | 343 |
| Water Absorption (24 h) | ISO 62 / ASTM D570 | % | 0.1 – 0.5 |
| Flammability Rating | UL 94 | — | V-0 |
| Dielectric Strength | IEC 60243 | kV/mm | 19 – 24 |
| Volume Resistivity | IEC 60093 | ohm·cm | 10¹⁵ – 10¹⁶ |
Standard sheet sizes for virgin PEEK plate are 1000 mm × 1000 mm, 1220 mm × 2440 mm, and 500 mm × 1000 mm, with thickness options from 1 mm to 100 mm depending on grade. Custom machined parts and cut-to-size panels are available on request.
